This feature is useful for accommodating devices that you want to participate
in the VLAN but that don't support tagging. Only one untagged VLAN is
allowed per port.
Ingress Filtering
Ingress filtering lets frames belonging to a specific VLAN to be forwarded if
the port belongs to that VLAN. TEG-S081FMi Switchhave two ingress
filtering rule as follows:
Ingress Filtering Rule 1: Forward only packets with VID matching this port's
configured VID.
Ingress Filtering Rule 2: Drop Untagged Frame.
5-4-8. Spanning Tree
The Spanning-Tree Protocol (STP) is a standardized method (IEEE 802.1D)
for avoiding loops in switched networks. When STP enabled, to ensure that
only one path at a time is active between any two nodes on the network.
You can enable Spanning-Tree Protocol on web management’s switch setting
advanced item, select enable Spanning-Tree protocol. We are recommended
that you enable STP on all switches ensures a single active path on the
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